Ice cream maker



FIG. 1 is a perspective view of an ice cream maker showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is an opposite side view thereof; and,

FIG. 6 is a top view thereof.

The broken lines shown in the drawing disclosure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an ice cream maker, as shown and described. 